Question: Although parameterized abstract data types could be created in Java before version 5 . 0 , what was the drawback to such collection classes? Question

Although parameterized abstract data types could be created in Java before version 5.0, what was the drawback to such collection classes?
Question 3 options:
They required much more code
They ran much more slowly
Objects extracted from collections required upcasts
Objects extracted from collections required downcasts

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